Fitness intensity can be one of the most subjective areas of working out. From “rate of perceived exertion” (or RPE) to the famous “runner’s high” or getting “in the zone,” these metrics can, at best, ...

Once exercise becomes a regular habit, it's time to think about how much you're moving and how hard you're actually working. The Department of Health and Human Services recommends that adults get at ...

Whether you’re a seasoned cyclist when it comes to structured training or brand new to following a plan, you might be wondering if you’re working hard enough. It’s an easy question to ask, especially ...

If your training week looks like a string of long, steady rides and a weekly mileage number you obsess over, you’re in good company. Tons of cyclists think “more miles = more speed.” The problem with ...